package com.example.demo;

import jakarta.servlet.http.HttpSession;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RequestMapping("/user")
@RestController
public class UserController {
@RequestMapping("/login")
    public Boolean login(String userName, String password, HttpSession session){
//        if(StringUtils.hasLength(userName)&&StringUtils.hasLength(password)){
//if("admin".equals(userName)&&"admin".equals(password)){
//    return true;
//}
//        }
//        return false;

        if(!StringUtils.hasLength(userName)||!StringUtils.hasLength(password)){
            return false;
        }
        //equals会报空指针异常（NullpointException）,把常量写前面
if("admin".equals(userName) && "admin".equals(password)){
    session.setAttribute("userName",userName);
    return true;
}
return false;
    }

@RequestMapping("/getLoginUser")
public String getLoginUser(HttpSession session){
    String userName=(String)session.getAttribute("userName");
    return userName;
}

}
